Sven has 11 more than twice as many customers as when he was started selling news paper. he now has 73 customers. how many did he have when he started?

Find the vertex of the function given below y=x^2-6x+1

Which expression gives the area of the triangle shown below

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?